• Chrome corundum

Chrome corundum

Hana ʻia ʻo Chrome corundum (ʻike pū ʻia ʻo ka corundum ʻulaʻula) me ka metallurgical grade chrome green a me ka alumina ʻenehana ma ke ʻano he mea maka, a hana kemika i kahi wela kiʻekiʻe ma luna o 2000 degere.Hoʻohui ʻia kekahi nui o ka chromium oxide i ka wā o ka hoʻoheheʻe ʻana, ʻo ia ka poni māmā a i ʻole ka rose.

ʻO ka hana piha o nā huahana chromium corundum nā hiʻohiʻona o ka paʻakikī kiʻekiʻe, ka paʻakikī kiʻekiʻe, ka maʻemaʻe kiʻekiʻe, ka hoʻomaʻamaʻa ponoʻī maikaʻi loa, ka ikaika wili ikaika, ka hana haʻahaʻa wela, ka hana kiʻekiʻe, ka waikawa a me ke kūpaʻa alkali, ke kūpaʻa wela kiʻekiʻe, a me ke kūpaʻa wela maikaʻi.

I loko o ka chromium corundum, hoʻomaikaʻi ka hoʻokomo ʻana o ka mea Cr i ka paʻakikī o ka abrasive.Ua like ka paʻakikī me ka corundum keʻokeʻo, a ʻoi aku ke kiʻekiʻe o ka paʻakikī ma mua o ka corundum keʻokeʻo.ʻO nā mea hana abrasive i hana ʻia e ia ka lōʻihi maikaʻi a me ka hoʻopau kiʻekiʻe.Hoʻohana nui ʻia i nā mea abrasives, wili, polishing mea, precision hoʻolei ʻana i ke one, spraying materials, chemical catalyst carriers, special ceramics, etc. ʻO nā kahua kūpono e like me: precision wili o nā mea ana i nā mea hana, machine tool spindles, nā ʻāpana mea hana, threaded workpieces, a me ke kŘkohu wili. .

ʻO ka chromium corundum he viscosity kiʻekiʻe a me ke kūpaʻa permeability maikaʻi ma muli o ka ʻāpana aniani i loko o ka chromium oxide, hiki ke pale nui i ka erosion a me ke komo ʻana o ka molten slag.Hoʻohana nui ʻia ia i nā kula wela kiʻekiʻe me ke kaiapuni koʻikoʻi, me nā kapuahi metallurgy non-ferrous, nā kapuahi hoʻoheheʻe aniani, nā mea hoʻoheheʻe kalapona ʻeleʻele, nā ʻōpala ʻōpala, nā castables refractory a me nā pale wela kiʻekiʻe a me ka pale corrosion.

Nā huahana Chromium corundum
Nā hōʻailona kino a kemika

Maʻiʻo Chromium oxide chrome haʻahaʻa

0.2 --0.45

ʻO ka chromium

0.45--1.0

ʻO ka chromium kiʻekiʻe

1.0--2.0

Laulā granularity

AL2O3 Na2O Fe2O3
F12--F80 98.20 min 0.50 ka nui 0.08 ka nui
F90--F150 98.50 min 0.55 ka nui 0.08 ka nui
F180--F220 98.00 min 0.60 ka nui 0.08 ka nui

Māmā maoli: 3.90g/cm3 Māmā nui: 1.40-1.91g/cm3

Microhardness: 2200-2300g/mm2

Chrome Corundum Macro

PEPA Ka nui o ka palaoa maʻamau (μm)
F 020 850 – 1180
F 022 710 – 1000
F 024 600 – 850
F 030 500 – 710
F 036 425 – 600
F 040 355 – 500
F 046 300 – 425
F 054 250 – 355
F 060 212 – 300
F 070 180 – 250
F 080 150 – 212
F 090 125 – 180
F 100 106 – 150
F 120 90 – 125
F 150 63 – 106
F 180 53 – 90
F 220 45 – 75
F240 28 – 34

ʻIkepili kino maʻamau

Al2O3 99.50 %
Cr2O3 0.15 %
Na2O 0.15 %
Fe2O3 0.05 %
CaO 0.05 %

Nā waiwai kino maʻamau

ʻoʻoleʻa 9.0 mau mahina
Color ākala
ʻAno huapalaoa angular
Lae hehee ca.2250 °C
ʻO ka wela lawelawe kiʻekiʻe ca.1900 °C
Kaumaha kikoʻī ca.3.9 – 4.1 g/cm3
ʻAno nui ca.1.3 – 2.0 g/cm3